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EVGA 8800 Ultra KO

EVGA 8800 Ultra KO Image NVIDIA G80 Image

Graphics Processor

GPU Name: G80
GPU Variant: G80-450-A3
Process Size: 90 nm
Transistors: 681 million
Die Size: 484 mm²

Graphics Card

Released: May 2nd, 2007
May 10th, 2007
Production Status: End-of-life
Bus Interface: PCIe 1.0 x16
EVGA Part #: 768-P2-E885-AR
768-P2-N885-A1

Clock Speeds

GPU Clock: 612 MHz
638 MHz (+4%)
Shader Clock: 1512 MHz
1620 MHz (+7%)
Memory Clock: 1080 MHz
1125 MHz (+4%)
2160 MHz effective
2250 MHz effective

Memory

Memory Size: 768 MB
Memory Type: GDDR3
Memory Bus: 384 bit
Bandwidth: 104 GB/s
108 GB/s

Render Config

Shading Units: 128
TMUs: 32
ROPs: 24
SM Count: 8
Pixel Rate: 14.7 GPixel/s
15.3 GPixel/s
Texture Rate: 19.6 GTexel/s
20.4 GTexel/s
Floating-point performance: 387.1 GFLOPS
414.7 GFLOPS

Board Design

Slot Width: Dual-slot
Length: 10.63 inches
270 mm
TDP: 171 W
Outputs: 2x DVI
1x S-Video
Power Connectors: 2x 6-pin

Graphics Features

DirectX: 10.0
OpenGL: 3.3
OpenCL: n/a
Shader Model: 4.0

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Reviews

Our review database contains 403 reviews of the 8800 Ultra KO.

Card Notes

SFUs: 16

G80 GPU Notes

Compute Capability: CUDA 1.0

Each Streaming Multiprocessor(SM) in the chip architecture contains 8 SPs and 2 SFUs.

Each SP can fulfill up to two single precision operations MAD per clock.

Each SFU can fulfill up to four operations SF per clock (these units can also handle single-precision floating-point multiplications per clock).

The approximate ratio of operations MAD to operations SF is equal 2:1.

The theoretical SP + SFU performance in single-precision floating point operations
[FLOPSsp + sfu, GFLOPS] of the graphics card with shader count [n] and shader frequency [f, GHz], is estimated by the following formula: FLOPSsp+sfu; f × n × 3.

Alternative formula: FLOPSsp+sfu; f × m × ( 8 SPs * 2 (MAD) + 4 * 2 SFUs ). [m] - SM count.

SP - Shader Processor (Unified Shader, CUDA Core)
SFU - Special Function Unit
SM - Streaming Multiprocessor
MAD - ADD+MUL

Other retail boards based on this design

Name GPU Clock Memory Clock Other Changes
ASUS ROG 8800 Ultra 612 MHz 1080 MHz
EVGA 8800 Ultra 612 MHz 1080 MHz 10.5 inches
EVGA 8800 Ultra Black Pearl 655 MHz 1125 MHz Single-slot
EVGA 8800 Ultra KO 638 MHz 1125 MHz
EVGA 8800 Ultra Special Edition 630 MHz 1100 MHz
EVGA 8800 Ultra Superclocked 655 MHz 1125 MHz
GIGABYTE 8800 Ultra 612 MHz 1080 MHz
PNY XLR8 8800 Ultra Overclocked 648 MHz 1116 MHz
XFX 8800 Ultra Extreme 650 MHz 1110 MHz
XFX 8800 Ultra XXX 675 MHz 1150 MHz
XFX 8800 Ultra XXX V2 685 MHz 1150 MHz